/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineSessionInterface.h
Delegate fired when the joining process for an online session has completed
typedef TMulticastDelegate_TwoParams< void, [FName](API\Runtime\Core\UObject\FName), [EOnJoinSessionCompleteResult::Type](API\Plugins\OnlineSubsystem\Interfaces\EOnJoinSessionCompleteResult__Ty-) > FOnJoinSessionComplete